Hooks in Base Code

Daniel Robinson dgrobinson at dgrobinson.com
Thu Jul 19 00:09:31 CEST 2007

I don't know how much of the at signaling is available at the data
terminal.  What is the signaling for sending caller ID to a cellular phone?
For example, on POTS, the digits are signaled with a Bell 103 modem between
the first and second ring.

Someone said something about having the ringback tone be a sound file that
is configurable according to caller.  I don't know if that is possible from
the phone.  The ring back tone is generated by switching equipment, not the


On 7/18/07, Jim McDonald <Jim at devzero.net> wrote:
>  [This may have been better to post to the development list but as people
> are talking about it here I'll start here]
> Hi,
>    A number of people have been talking about the cool things that they
> would like their 'phone to do but after spending some time looking at the
> information available so far I don't see anything that suggests the current
> codebase will allow people the freedom that they need.  If I take a simple
> example of an incoming call them some of the suggestions that we have seen
> so far to handle it include different ring tones for different people or
> groups of people, auto-handling of the call by sending it to voicemail or
> letting it through, different responses depending on the time of day, *etc.
> *The point that I'm trying to make is that there are a multitude of things
> that you *could* do but each person will have a limited number of things
> that they want the 'phone to *actually* do.  As such, building out all of
> these options in to a single piece of code will not only be very hard to
> manage and maintain but will severely limit the ability of people to scratch
> their itches and develop code to make the 'phone do what they want it to.
>    If the monolithic approach is out then some sort of modular approach is
> required.  The most obvious example out there today is Firefox, which comes
> in a relatively simple base configuration but provides any number of hooks
> to allow people to write their own extensions on top of the base code and as
> such to alter the functionality of the product very extensively.  If we want
> this openmoko to be as free as possible then it also needs to be as easy as
> possible for people to extend, and this is the most likely way of doing it.
>    I know that there are a lot of potential problems that need to be
> addressed when building this out but if there is a vision from the start as
> to how this would work then it would go a long way to making the final
> product the 'phone that we are all dreaming of, regardless of the fact that
> those dreams are often divergent from others if not totally exclusive.  So
> my questions are there plans to include these hooks, and if not can it be
> considered?
>    Or is there another way to do this other than hooks?
> Cheers,
> Jim.
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